利用访存负载平衡提高多核处理器系统吞吐量

发布时间：2018-04-29 20:56

本文选题：访存负载平衡 + 多核处理器　；参考：《小型微型计算机系统》2014年03期

【摘要】：多任务并行执行是发挥多核处理器效能的常用手段,对多任务进行有效调度从而避免资源使用瓶颈是多核处理器任务调度的一个重要课题.本文针对多核处理器片上存储资源的使用提出一个访存负载平衡调度机制,通过刻画任务访存负载、操作系统内核层性能检测,实现了集成的计算和访存负载协同平衡系统.该调度系统在区分任务访存特征的基础上,可以在操作系统内核层组织任务执行.通过对测试程序集合的实验验证,并与其它两种调度算法进行比较,相对于操作系统缺省的计算负载平衡机制,访存负载平衡调度系统可以提高多核处理器任务吞吐量达8.2%,并且具有较低的系统实现开销.
[Abstract]:Multi-task parallel execution is a commonly used method to exert the efficiency of multi-core processor. It is an important task for multi-core processor to schedule multi-task efficiently and avoid resource bottleneck. In this paper, a memory access load balancing scheduling mechanism is proposed for the use of memory resources on multi-core processors. By describing the task memory access load and the kernel layer performance detection of the operating system, an integrated computing and memory access load balancing system is implemented. On the basis of distinguishing the characteristics of task access, the scheduling system can organize task execution in the kernel layer of the operating system. Through the experimental verification of the set of test programs, and compared with the other two scheduling algorithms, compared with the default computing load balancing mechanism of the operating system, Memory access load balancing scheduling system can improve the throughput of multi-core processors to 8.2 and has low system implementation overhead.
【作者单位】：中国科学技术大学计算机科学与技术学院;
【基金】：国家自然科学基金项目(60970023)资助国家″九七三″重点基础研究发展计划项目(2011CB302501)资助国家″八六三″高技术研究发展计划项目(2012AA010902,2012AA010901)资助国家科技重大专项项目(2009ZX01036-001-002,2011ZX01028-001-002-3)资助
【分类号】：TP332

【共引文献】